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Finding the Fourth Proportional to 79,924.71, 119,842.92 and 50,279.12

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Solution

The fourth proportional to 79,924.71, 119,842.92 and 50,279.12 is: 75,390.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,924.71 : 119,842.92 = 50,279.12 : x
  2. Step 2: Convert to fraction form
    79,924.71/119,842.92 = 50,279.12/x
  3. Step 3: Cross multiply
    79,924.71x = 119,842.92 × 50,279.12
  4. Step 4: Simplify right side
    79,924.71x = 6,025,596,555.83
  5. Step 5: Solve for x
    x = 6,025,596,555.83/79,924.71
  6. Step 6: Final answer
    x = 75,390.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.